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Erythrite and Uvite Optical Properties


Uvite and Erythrite Optical Properties


Optical Properties

Luster
Subadamantine, Pearly   
Vitreous   

Pleochroism
Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red   
Pale yellow colorlessAnthony et al   

Dispersion
Not Available   
0.02   
22

Transparency
Not Available   
Transparent   

Refractive Index
1.626-1.629   
1.614-1.666   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Not Available   

Birefringence
Not Available   
0.014-0.032   

Clarity
Not Available   
Transparent   

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Erythrite and Uvite Optic Character

Erythrite and Uvite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Erythrite and Uvite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Erythrite and Uvite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

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Erythrite and Uvite Transparency

Similar to their colors, Erythrite and Uvite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Erythrite is Not Available while Erythrite is Not Available in appearance.

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